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Showing 1 - 3 results of 3 for search '"Academy of Natural Sciences of Philadelphia"', query time: 0.16s Refine Results
  1. 1
    Delaware River estuarine marsh survey. : A report to the National Foundation RANN program /
    Published 1973
    Book
  2. 2
    Priority management areas and problems in the Delaware estuary : a survey and evaluation /
    by McGuinness, William V.
    Published 1973
    Book
  3. 3
    Economic and social problems of the Delaware estuary region. : A report to the National Science Foundation RANN program /
    by Gosselink, Paul G.
    Published 1973
    Book
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